2059390878 has 16 divisors (see below), whose sum is σ = 4123456896. Its totient is φ = 685684440.

The previous prime is 2059390877. The next prime is 2059390889. The reversal of 2059390878 is 8780939502.

It is a super-2 number, since 2×2059390878² = 8482181576779221768, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2059390878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2059390877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189058 + ... + 199653.

It is an arithmetic number, because the mean of its divisors is an integer number (257716056).

Almost surely, 2^2059390878 is an apocalyptic number.

2059390878 is an abundant number, since it is smaller than the sum of its proper divisors (2064066018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2059390878 is a wasteful number, since it uses less digits than its factorization.

2059390878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389599.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 2059390878 is about 45380.5120949511. The cubic root of 2059390878 is about 1272.2709029529.

The spelling of 2059390878 in words is "two billion, fifty-nine million, three hundred ninety thousand, eight hundred seventy-eight".